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Finding the Fourth Proportional to 452,792.99, 624,196.07 and 316,403.47

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Solution

The fourth proportional to 452,792.99, 624,196.07 and 316,403.47 is: 436,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,792.99 : 624,196.07 = 316,403.47 : x
  2. Step 2: Convert to fraction form
    452,792.99/624,196.07 = 316,403.47/x
  3. Step 3: Cross multiply
    452,792.99x = 624,196.07 × 316,403.47
  4. Step 4: Simplify right side
    452,792.99x = 197,497,801,161.77
  5. Step 5: Solve for x
    x = 197,497,801,161.77/452,792.99
  6. Step 6: Final answer
    x = 436,176.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.